Annual report pursuant to Section 13 and 15(d)

Business Combinations (Preliminary Acquisition Date Fair Values To Acquired Net Assets) (Details)

v3.19.2
Business Combinations (Preliminary Acquisition Date Fair Values To Acquired Net Assets) (Details) - USD ($)
$ in Millions
May 31, 2019
Dec. 20, 2018
May 31, 2018
[1]
May 31, 2017
Business Acquisition [Line Items]        
Goodwill $ 1,782.6   $ 814.0 $ 657.1
Oasis Outsourcing Group Holdings, L.P. [Member]        
Business Acquisition [Line Items]        
Cash and cash equivalents   $ 130.2    
Restricted cash   66.6    
Corporate investments   8.6    
Accounts receivable, net of allowance for doubtful accounts   10.7    
PEO unbilled receivables, net of advance collections   209.8    
Prepaid income taxes   5.8    
Prepaid expenses and other current assets   6.0    
Long-term restricted cash   65.5    
Property and equipment   15.4    
Intangible assets   310.9    
Goodwill   972.1    
Other long-term assets   1.8    
Total Assets   1,803.4    
Accounts payable   46.0    
Accrued corporate compensation and related items   11.6    
Accrued worksite employee compensation and related items   311.1    
Other current liabilities   49.8    
Deferred income taxes   51.1    
Other long-term liabilities   79.3    
Net Assets   $ 1,254.5    
[1] Amounts have been adjusted to reflect the adoption of ASC Topic 606 and to provide further detail related to certain professional employer organization ("PEO") balances.